Lath



July 24, 1923. 154162.579

M. E. ROBERTS LATH Filed April 17. 1922 ATTORNEY Patented an at, ieaa star MERRILL E. EQBEEIS, Gill PASADENA, CALIFQRNJIAV LATE.

Application flied April 3?, rear. tlertal Ito. 553,358.

To all whom it may concern:

Be it known that l, Mnnmnn E. Ronnn'rs, a citizen of the United States, residing at Pasadena, in the county of Los Angeles and 5 State of California, have invented new and useful Improvements in Lathe, oi which the following is a specification.

This invention relates to building constructions, and has particular application to to reinforced composition laths.

The chief characteristic of this invention resides in the rovision of laths of the above mentione character, which are constructed to render them both weather and l waterproof, and further designed to prevent bucklin or crumbling of the laths, thereby materia ly prolonging the life of the same. lln carrying out the invention, l rovide certain laths with reinforcing e ements 29 which project be end the edges of said lath to overlap the adjacent lath for the urpose of assisting in holding the laths 536d relatively in re or position upon the wall or ceiling of a ui ding, the reinforcing il element being secured to the adjacent lath by a tying element and also incidentto the application of the plastic composition.

The nature and advantages of the invention will be better understood when the il following detailed description is read in connection with the accompanying drawing, the invention residing in the construction, combination, and arrangement of parts as claimed.

la. the drawing forming part of this application like numerals of reference indicate similar parts in the several views, and wherein Figure l is a view showing the manner a of arranging the lat s.

lli re 2 is a plan view of one of the rein orced laths.

'l i re 3 is a similar view of the adjacent ath.

I. Figure l is a sectional view taken through Figure 2.

Reierrin to the drawing in detail, 10 indicates t e reinforced lath which is constructed from suitable composition, but pret erably made up of cement, sand, fiber, and a proportionate amount of h drated lime as a water-proof e nt. E edded in this lath is a reinforcing element 11 which also may be of any suitable design or material,

but preferably consisting of wire fabric or the like. This reinforcing element projects an appreciable distance beyond the edges of the lath as shown in Fi re 2 for a purpose to be presently describedi ln the construction of a wall or building, I make use of a pluralityot' laths such as described, and also use a lurality of plain laths indicated at 12in igure 3, which are substantially the same in construction as the lath 10 except that it is not provided with the reinforcing element 11. The lath 10 is provided adjacent its corners with relatively large openings 13 which correspond in size with the openings ll oi the lath 12, but in the latter mentioned member these openings 14 extend about all sides thereof. The laths l0 and 12 respectively are also provided with smaller openings 15 through which suitable fastening elements are adapted to be driven to secure the lathe in position for use. One side of each lath is provided with a sheet of tar paper or the like 16 to assist in preventing dampness from passing through the wall oi the buildin structure upon which the lathe are used. T e opposite side of each lath is provided with a plurality of grooves ll, so that a more eliective hold may be had between the laths and the plastlc composition 18 which is sir-nultaneously applied to the wall or the building structure as will be readily understood. ln practice, as illustrated in Figure 1, there is one lath 12 arranged adjacent or next to each lath 10, so that when the mee ing ends of these respective lathe are brought together in contacting engagement, the projecting marginal edges of the rein- -forcing element 11 laps the adjacent edges of the plain lath 12. A tying wire or other Ell - suitable element 19 is then threaded through c the openings it and the projecting marginal edges or the reintorcing element 11 to hold the parts properly associated, and when the plastic material 18 is simultaneously applied to the wall structure, the projecting ed es of the reinforcing element is partly embedded in said plastic material, and this coupled with the fact that grooves l? are provided in each lath, it is a parent that the parts are interlocked, an the plastic com osition in a manner which serves to bin the laths together and hold them immovably positioned, The laths are not only moisture proof but they are designed to prevent buckling or crumbling incident to i of reinforced composition laths, and a plurality of plain composition laths, said laths being arranged in juxtaposition, whereby the reinforcing elements of the first mentioned laths lap the adjacent plain laths, a sheet of Water proof material covering one side of each lath, the opposite side of each lath having a plurality of grooves, and a plastic composition covering said laths and filling said grooves, and also interlocking said overlapped portions of the reinforcing elements of the adjacent laths.

2. In a building construction, a plurality of composition laths arranged in j uxta-position, a reinforcing element embedded in each of a certain number of said laths and projected beyond the edges thereof and lapping the adjacent plain laths, said laths having openings, a tying element adapted to be threaded through certain of said openings and through the exposed portions of the reinforcing elements, each of said laths having grooves on one side, and a plastic composition covering all of said laths, filling said grooves and interlocking the laths together as described.

In testimony whereof I aflix my signature.

MERRILL E. ROBERTS. 

